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All-optical logic NOR gate using two-cascaded semiconductor optical amplifiers

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4 Author(s)
A. Hamie ; Lab. RESO, Ecole Nationale d''Ingenieurs de Brest, France ; A. Sharaiha ; M. Guegan ; B. Pucel

The authors present a novel all-optical logic NOR gate using two-cascaded semiconductor optical. amplifiers (SOAs) in a counterpropagating feedback configuration. This configuration accentuates the gain nonlinearity due to the mutual gain modulation of the two SOAs. The all-optical NOR gate feasibility has been demonstrated delivering an extinction ratio higher than 12 dB over a wide range of wavelength.

Published in:

IEEE Photonics Technology Letters  (Volume:14 ,  Issue: 10 )